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Updated: 2022-07-12 08:20:00 EDT

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Updated: 2022-07-13 12:17:00 EDT

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Purpose

This webpage/report is intended to aggregate information from different agencies (i.e. USACE, SFWMD, FWC, USGS and NOAA) into one spot to help inform local government agencies and stakeholders on conditions within Lake Okeechobee, the Caloosahatchee River and Estuary and Coastal southwest Florida. The data provided here should be considered preliminary and are subject to change.

USACE Data Summary

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Caloosahatchee Conditions Summary: Flow to the Caloosahatchee Estuary had a 7-day average of 1,274 cfs at S-79 with a 7-day average of 0 cfs (0%) coming from the lake at S-77. The 14-day moving average flow at S-79 is 1,501 cfs and has been in the optimal flow envelope (750 - 2100 cfs; RECOVER 2020) for 16 days.

Lake Flows: In the past 7 days the total outflow from Lake Okeechobee was 1,549 AF with 0 AF to the Caloosahatchee through S-77, 311 AF through S-310 in Clewiston, and 0 AF to the EAA through S-351, S-352, and S-354. The total net inflow to the Lake was 7,548 AF (5,601 AF from Fisheating Creek, S-71, S-72, S-84s, S-65EX, and S-65EX1) with a total backflow volume of 1,947 AF from S310, C10A, and S308. Water conservation areas received flows of 5,062 AF, 5,798 AF, and 10,548 AF at WCA1, WCA2, and WCA3, respectively. Everglades National Park received 27,527 AF.

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Caloosahatchee Conditions Summary: Flow to the Caloosahatchee Estuary had a 7-day average of 1,319 cfs at S-79 with a 7-day average of 0 cfs (0%) coming from the lake at S-77. The 14-day moving average flow at S-79 is 1,443 cfs and has been in the optimal flow envelope (750 - 2100 cfs; RECOVER 2020) for 17 days.

Lake Flows: In the past 7 days the total outflow from Lake Okeechobee was 1,578 AF with 0 AF to the Caloosahatchee through S-77, 261 AF through S-310 in Clewiston, and 0 AF to the EAA through S-351, S-352, and S-354. The total net inflow to the Lake was 10,194 AF (5,399 AF from Fisheating Creek, S-71, S-72, S-84s, S-65EX, and S-65EX1) with a total backflow volume of 4,795 AF from S310 and S308. Water conservation areas received flows of 3,927 AF, 5,276 AF, and 10,379 AF at WCA1, WCA2, and WCA3, respectively. Everglades National Park received 27,523 AF.

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Lake Okeechobee Level: 12.98 ft (Operational Management Band)

Lake Okeechobee Inflow: 786 cfs

Last Week: 12.87 ft

Lake Okeechobee Outflow: 330 cfs

Weekly Rainfall Total:

WP Franklin 0.29"

Ortona 1.23"

Moore Haven ≥ 1.64"

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Lake Okeechobee


Stage Elevation

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Lake Okeechobee daily average stage elevation for water year 2023 (WY2023) relative to the last two water years (red line) relative to the Lake Okeechobee Regulation Schedule (LORS) .
Data are provisional and subject to change.


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  • As of 07/11/2022 the mean stage elevation in Lake Okeechobee is within the Operational Base Flow Sub- Management Band at a stage elevation of 12.97 feet (NGVD29).

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  • As of 07/12/2022 the mean stage elevation in Lake Okeechobee is within the Operational Base Flow Sub- Management Band at a stage elevation of 12.98 feet (NGVD29).

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    Lake Okeechobee 7-day and 30-day water level recession/ascension rates during WY2023. Negative values indicate falling water levels (recession) and positive values indicate raising water level (ascension) during this 7-day period .
    Data are provisional and subject to change.

    Lake Okeechobee 7-day water level recession/ascension rates stop-light metric relative to the draft Snail Kite Performance Measure.
    Data are provisional and subject to change.

    Regional Rainfall

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    Relative Algae Condition

    Sonde monitoring locations within Lake Okeechobee conducted by SFWMD.


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    Daily Chlorophyll, Phycocyanin,relative ratio of Phycocyanin (Phyco) relative to Phyco and Chlorophyll (Chl) and Turbidity within Lake Okeechobee monitored by SFWMD. Chlorophyll and Phycocyanin are plotted on log-scale. Thresholds of concern/risk identified for Chlorophyll (20 and 40 μg/L) and Phycocyanin (40 μg/L; Cotterill et al 2019 & Macário et al 2015).
    Data are provisional and subject to change.

    • Cotterill et al (2019) Phycocyanin sensors as an early warning system for cyanobacteria blooms concentrations: a case study in the Rotorua lakes. New Zealand Journal of Marine and Freshwater Research 53:555–570.
    • Macário et al (2015) New insights towards the establishment of phycocyanin concentration thresholds considering species-specific variability of bloom-forming cyanobacteria. Hydrobiologia 757:155–165.


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    Cyanobacteria Algal Index across Lake Okeechobee. Data from NOAA NCCOS HAB data explorer.
    Data are provisional and subject to change.


    Cyanobacteria Algal Bloom coverage of Lake Okeechobee. Data from NOAA NCCOS HAB data explorer.
    Data are provisional and subject to change.

    Blue-Green Algae Sampling Results

    Blue-green Algae sampling results for the last 30-days for the 10 county area (Lee, Collier, Hendry, Glades, Okeechobee, Martin, Palm Beach, Broward, Miami-Dade and Monroe). Data from FDEP Blue-green algae dashboard
    Data are provisional and subject to change.

    Of the 98 samples collected, cyanobacteria was dominate in 41 samples, 26 samples had toxins present ranging from 0.11 to 180 μg L⁻¹ (does not include non-detects).


    Caloosahatchee River Estuary

    Discharge

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    Fort Myers Yacht Basin salinity (SCCF-RECON) and S79 discharge (SFWMD) data for the last six months.
    Data are provisional and subject to change.

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    Fort Myers Yacht Basin salinity (SCCF-RECON) and S79 discharge (SFWMD) data for the last last 30 days.
    Data are provisional and subject to change.

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    S-77 (from Lake Okeechobee) and S-79 (to Tidal Basin) flow data along the C-43 and Caloosahatchee River. C-43 Basin Flow was calculated as the difference from S-77 and S-79.
    Data are provisional and subject to change.


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    Daily, 14-day moving average and 30-day moving average discharge for S-79 relative to the Northern Estuaries RECOVER performance measure and the established minimium flows and levels (MFLs) for the recent 30-day period.
    Data are provisional and subject to change.

    • As of Jul 12, discharges conditions are within the optimum RECOVER salinity envelope.


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    Cumulative discharge for S-79 (to Tidal Basin) and S-77 (from Lake Okeechobee) for the last three Florida Water Years (May - April). Day of water year is analogous to day of year with Day 1 = May 1st.
    Data are provisional and subject to change.

    Chlorophyll, Phycocyanin & fDOM

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    Top: Daily dissolved organic matter (fluorescence DOM). Middle: Daily relative fluorescence Chlorophyll and Phycocyanin observed at the floating sensor bouy at S-79 monitoring by USGS. Bottom: The relative ratio of Phycocyanin (Phyco) relative to Phyco and Chlorophyll (Chl).
    Data are provisional and subject to change.

    Estuary Salinity

    Daily average bottom salinity data for the last 14-days from sampling locations within the tidal Caloosahatchee River Estuary relative to oyster health (Sanibel, Shell Point and Cape Coral) and tape grass (Vallisneria americana) health (Ft. Myers only) conditions.
    Data are provisional and subject to change.

    Red Tide Abundance


    <<<<<<< HEAD Red tide sampling results for the last 30-days from just south of Tampa Bay to the Florida Keys. Data from NOAA HABSOS Program.Data are provisional and subject to change. ======= Red tide sampling results for the last 30-days from just south of Tampa Bay to the Florida Keys. Data from NOAA HABSOS Program.Data are provisional and subject to change. >>>>>>> f96ef10c3a3d8b48a335e9757d07cbd1d2f9f0fe

    Red tide sampling results for the last 30-days from just south of Tampa Bay to the Florida Keys. Data from NOAA HABSOS Program.Data are provisional and subject to change.

    Red tide sampling results for the last 30-days from just south of Tampa Bay to the Florida Keys. Data from NOAA HABSOS Program
    Data are provisional and subject to change.

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    Chlorophyll fluorescence for coastal southwest Florida for 2022-07-10 (Data Source: NOAA NCCOS)

    Chlorophyll fluorescence for coastal southwest Florida for 2022-07-10 (Data Source: NOAA NCCOS)

    Red Tide Forecast

    Red Tide Prediction and Tracking for coastal Southwest Florida from FWC and USF link.

    Upper and lower water column HAB (Red Tide) forecasted trajectories from Ocean Circulation Group at USF.Upper and lower water column HAB (Red Tide) forecasted trajectories from Ocean Circulation Group at USF.

    Upper and lower water column HAB (Red Tide) forecasted trajectories from Ocean Circulation Group at USF.

    Statewide Gulf of Mexico coastal Red Tide forecast from FWC and USF.

    Statewide Gulf of Mexico coastal Red Tide forecast from FWC and USF.

    Charlotte Harbor

    Discharge

    Daily discharge into Charlotte Harbor from major rivers and creeks. Data source: USGS. Grey dashed lines between points indicate a potential data gap with values linearly interpolated.
    Data are provisional and subject to change.

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